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Finding the Fourth Proportional to 351,637.83, 485,262.50 and 190,492.74

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Solution

The fourth proportional to 351,637.83, 485,262.50 and 190,492.74 is: 262,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,637.83 : 485,262.50 = 190,492.74 : x
  2. Step 2: Convert to fraction form
    351,637.83/485,262.50 = 190,492.74/x
  3. Step 3: Cross multiply
    351,637.83x = 485,262.50 × 190,492.74
  4. Step 4: Simplify right side
    351,637.83x = 92,438,982,291.79
  5. Step 5: Solve for x
    x = 92,438,982,291.79/351,637.83
  6. Step 6: Final answer
    x = 262,881.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.